"We are deeply saddened to announce Alex died Friday morning, September 7, 2007, of unknown causes. We will have a formal press release on Monday when we know the cause of death.
He was absolutely fine yesterday and he was found dead this morning.
Dr. Pepperberg will take the weekend to mourn his death.
We hope to have more information on Monday
We miss him so much.
Thank you,
Arlene Levin-Rowe - Pepperberg Lab Manager
and the Pepperberg Lab Staff"
http://www.alexfoundation.org/index.htm